net.dpml.transit.monitor
Class CacheMonitorRouter

java.lang.Object
  net.dpml.transit.monitor.AbstractMonitorRouter
      net.dpml.transit.monitor.CacheMonitorRouter

All Implemented Interfaces:

CacheMonitor, Monitor, Router

public class CacheMonitorRouter

extends AbstractMonitorRouter

implements CacheMonitor, Router

The cache monitor router is responsible for the dispatiching of cache monitor events to registered monitors.

Version:

1.0.1

Author:

Digital Product Meta Library

Field Summary

Fields inherited from interface net.dpml.transit.monitor.Monitor

BOOTSTRAP_DEBUG_KEY

Constructor Summary

CacheMonitorRouter()

Method Summary

void	addedToLocalCache(URL resource, File localFile) Notify all monitors that a request artifact has been added to the local cache.
void	addMonitor(Monitor monitor) Addition of a monitor to the list of monitors maintained by this router.
void	failedDownload(Artifact artifact) Notify all monitors that an artifact request failed.
void	failedDownloadFromHost(String host, Artifact artifact, Throwable cause) Notify all monitors that an artifact request on a named host failed.
void	removedFromLocalCache(URL resource, File localFile) Notify all monitors that an artifact in the local cache was removed.
void	resourceRequested(Artifact artifact) Notify all monitors that a request for an artifact has been received.
void	updatedLocalCache(URL resource, File localFile) Notify all monitors that an artifact in the local cache has been updated.

Methods inherited from class net.dpml.transit.monitor.AbstractMonitorRouter

removeMonitor

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.dpml.transit.monitor.Router

removeMonitor

Constructor Detail

CacheMonitorRouter

public CacheMonitorRouter()

Method Detail

resourceRequested

public void resourceRequested(Artifact artifact)

Notify all monitors that a request for an artifact has been received.

Specified by:

resourceRequested in interface CacheMonitor

Parameters:

artifact - the requested artifact

addedToLocalCache

public void addedToLocalCache(URL resource,
                              File localFile)

Notify all monitors that a request artifact has been added to the local cache.

Specified by:

addedToLocalCache in interface CacheMonitor

Parameters:

resource - the url of the remote resource

localFile - the local file added to the cache

updatedLocalCache

public void updatedLocalCache(URL resource,
                              File localFile)

Notify all monitors that an artifact in the local cache has been updated.

Specified by:

updatedLocalCache in interface CacheMonitor

Parameters:

resource - the url of the remote resource

localFile - the local file that was modified

removedFromLocalCache

public void removedFromLocalCache(URL resource,
                                  File localFile)

Notify all monitors that an artifact in the local cache was removed.

Specified by:

removedFromLocalCache in interface CacheMonitor

Parameters:

resource - the url of the remote resource

localFile - the local file that was removed

failedDownloadFromHost

public void failedDownloadFromHost(String host,
                                   Artifact artifact,
                                   Throwable cause)

Notify all monitors that an artifact request on a named host failed.

Specified by:

failedDownloadFromHost in interface CacheMonitor

Parameters:

host - the remote host

artifact - the requested artifact

cause - the cause of the failure

failedDownload

public void failedDownload(Artifact artifact)

Notify all monitors that an artifact request failed.

Specified by:

failedDownload in interface CacheMonitor

Parameters:

artifact - the requested artifact

addMonitor

public void addMonitor(Monitor monitor)
                throws IllegalArgumentException

Addition of a monitor to the list of monitors maintained by this router.

Specified by:

addMonitor in interface Router

Overrides:

addMonitor in class AbstractMonitorRouter

Parameters:

monitor - the monitor to add

Throws:

IllegalArgumentException - if the monitor does not implement CacheMonitor